David Harrington AngusDouglas, 12th Marquess of Queensberry was born on 19 December 1929.1 He is the son of Francis Archibald KelheadDouglas, 11th Marquess of Queensberry and Cathleen SabineMann.2 He married, firstly, AnnJones, daughter of Maurice SinnettJones, on 18 July 1956.1 He and AnnJones were divorced in 1969.1 He married, secondly, AlexandraSich, daughter of Guy WyndhamSich, on 10 July 1969.1 He and AlexandraSich were divorced in 1986.1 He married, thirdly, Hsueh-ChunLiao on 3 July 2000.1 He was educated at Eton College, Windsor, Berkshire, England.1 He gained the rank of Lieutenant in the Royal Horse Guards.1 He succeeded as the 14th Lord Douglas of Hawick and Tibberis [S., 1628] on 27 April 1954.2 He succeeded as the 11th Baronet Douglas, of Kelhead [N.S., 1667] on 27 April 1954.2 He succeeded as the 14th Viscount of Drumlanrig [S., 1628] on 27 April 1954.2 He succeeded as the 12th Earl of Drumlanrig and Sanchar [S., 1681] on 27 April 1954.2 He succeeded as the 12th Marquess of Queensberry [S., 1681] on 27 April 1954.2 He succeeded as the 12th Viscount of Nith, Torthorwald and Ross [S., 1681] on 27 April 1954.2 He succeeded as the 14th Earl of Queensberry [S., 1633] on 27 April 1954.2 He succeeded as the 12th Lord Douglas of Kinmouth, Midlebie, and Dornock [S., 1681] on 27 April 1954.2

Children of David Harrington Angus Douglas, 12th Marquess of Queensberry and AnnJones